Olga Lazarchuk defeated Mara Santangelo 7-6 6-0 in the Batumi 75K round of 16 on hard. The upset overturned the form book — Mara Santangelo came in leading the head-to-head 1–0. Olga Lazarchuk claimed a first win over Mara Santangelo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-14 | Aosta 10K | R32 | clay | Mara Santangelo | 7-6(8) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.